Codeception - how generate test skeleton for entire class with all methods automatically?

im have PHP application with composer psr-4 autoloader from src folder placed in root folder.

Also i have codeception bootstrapped in app root folder also.

In codeception manual i have learned to use

php codecept.phar generate:phpunit unit Classname for generating unit test class

But i am want just run like

php codecept.phar generate:phpunit unit "SomeVendor\SomeSubSystem\Class"

for my class placed in src/SomeVendor/SomeSubSystem/Class.php and i am want to have generated test class with all methods like in PHPUnit skeleton generator

phpunit-skelgen --test -- "project\Calculator" Calculator.php

absolutely no idea how make it with codeception, no information found in codeception manual, please help